118 lines
3.5 KiB
Java
118 lines
3.5 KiB
Java
import java.net.*;
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import java.io.*;
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/**
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* @author Nicolás A. Ortega
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* @license GNU GPLv3
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* @year 2014
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*
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* For details on the copyright, look at the COPYRIGHT file that came with
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* this program.
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*
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*/
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public class ServerThread extends Thread {
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private Server server = null;
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private Socket socket = null;
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private int id = -1;
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private String username = "User";
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private DataInputStream streamIn = null;
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private DataOutputStream streamOut = null;
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private boolean run = false;
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private boolean admin = false;
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public ServerThread(Server _server, Socket _socket) {
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super();
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this.socket = _socket;
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this.server = _server;
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id = socket.getPort();
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}
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public void send(String msg) {
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try {
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streamOut.writeUTF(msg);
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streamOut.flush();
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} catch(IOException e) {
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System.out.println(id + " Error sending: " + e.getMessage());
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server.remove(id);
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interrupt();
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}
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}
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public void run() {
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System.out.println("Server thread " + id + " running.");
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while(run) {
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try {
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server.handle(id, username, streamIn.readUTF());
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} catch(IOException e) {
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System.out.println(id + " error reading: " + e.getMessage());
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server.remove(id);
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interrupt();
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}
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}
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}
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public void runCommand(String command) {
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if(command.equals("/help")) {
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send(" - /admin [passwd] -- Gain admin privileges.\n" +
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" - /list -- Returns all the user's ID's and usernames.\n" +
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" - /myID -- Returns your ID.\n" +
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" - /myUserName -- Returns your username.\n" +
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" - /pm [id] [msg] -- Sends a message to only one of the clients.\n" +
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" - /setUserName [newusername] -- Change your username.\n" +
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" - /help -- Show this information.\n" +
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" - /quit -- Quit.\n");
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if(admin) {
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send("Admin commands:\n" +
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" - /chgpasswd [newpasswd] -- Change the server admin password.\n" +
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" - /giveadmin [id] -- Give another client admin as well.\n" +
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" - /kick [id] [reason] -- Kick out a user and state a reason for the kick.\n");
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}
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} else if(command.length() > 6 && command.substring(0, 6).equals("/admin")) {
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if(command.substring(7).equals(server.getPasswd())) {
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admin = true;
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send("You are now admin.\n");
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} else {
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send("Wrong password.\n");
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}
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} else if(command.equals("/myID")) {
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send(Integer.toString(id) + "\n");
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} else if(command.equals("/myUserName")) {
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send(username + "\n");
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} else if(command.length() > 12 && command.substring(0, 12).equals("/setUserName")) {
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if(command.length() <= 13) {
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send("You did not enter a new username.");
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} else {
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username = command.substring(13);
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send("Your username is now: " + username + "\n");
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}
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} else if(admin && command.length() > 10 && command.substring(0, 10).equals("/chgpasswd")) {
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if(command.length() > 11) {
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server.setPasswd(command.substring(11));
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} else {
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send("You did not enter a new password.\n");
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}
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} else {
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send("You have either entered an invalid command, or used an improper form.\n");
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}
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}
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public void open() throws IOException {
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streamIn = new DataInputStream(new BufferedInputStream(socket.getInputStream()));
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streamOut = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream()));
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run = true;
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}
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public void close() throws IOException {
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if(socket != null) { socket.close(); }
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if(streamIn != null) { streamIn.close(); }
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if(streamOut != null) { streamOut.close(); }
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run = false;
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}
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public int getID() { return id; }
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public String getUsername() { return username; }
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public boolean isAdmin() { return admin; }
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public void setAdmin(boolean a) { this.admin = a; }
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} |